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Finding the Fourth Proportional to 373,448.76, 515,192.58 and 230,156.52

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Solution

The fourth proportional to 373,448.76, 515,192.58 and 230,156.52 is: 317,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,448.76 : 515,192.58 = 230,156.52 : x
  2. Step 2: Convert to fraction form
    373,448.76/515,192.58 = 230,156.52/x
  3. Step 3: Cross multiply
    373,448.76x = 515,192.58 × 230,156.52
  4. Step 4: Simplify right side
    373,448.76x = 118,574,931,342.62
  5. Step 5: Solve for x
    x = 118,574,931,342.62/373,448.76
  6. Step 6: Final answer
    x = 317,513.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.